From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Wed, 18 Jan 2023 22:41:11 +0000 (-0700)
Subject: Also mark some variable instantiations as 'extern'.
X-Git-Tag: v9.4.2~2^2~1
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=691680b4de758ae95ecd7dd9cf7f9e276c862771;p=dealii.git

Also mark some variable instantiations as 'extern'.
---

diff --git a/include/deal.II/hp/mapping_collection.h b/include/deal.II/hp/mapping_collection.h
index 15fb484424..e95319a800 100644
--- a/include/deal.II/hp/mapping_collection.h
+++ b/include/deal.II/hp/mapping_collection.h
@@ -191,6 +191,19 @@ namespace hp
   extern template struct StaticMappingQ1<2, 2>;
   extern template struct StaticMappingQ1<2, 3>;
   extern template struct StaticMappingQ1<3, 3>;
+
+  extern template MappingCollection<1, 1>
+    StaticMappingQ1<1, 1>::mapping_collection;
+  extern template MappingCollection<1, 2>
+    StaticMappingQ1<1, 2>::mapping_collection;
+  extern template MappingCollection<1, 3>
+    StaticMappingQ1<1, 3>::mapping_collection;
+  extern template MappingCollection<2, 2>
+    StaticMappingQ1<2, 2>::mapping_collection;
+  extern template MappingCollection<2, 3>
+    StaticMappingQ1<2, 3>::mapping_collection;
+  extern template MappingCollection<3, 3>
+    StaticMappingQ1<3, 3>::mapping_collection;
 #endif
 
 } // namespace hp